GB/T5223.3-2017预应力钢棒扭转松弛弯曲试验HRJ Bending Torsion Relaxation Tester
作者 Ming
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发布时间 18/06/11
GB/T5223.3-2017预应力混凝土用钢棒，规定了钢棒需进行反复弯曲试验、160°～180°钢棒弯曲试验、1000h钢棒松弛试验、钢棒拉伸试验、钢棒疲劳试验、冲击性能试验，钢棒称重精度0.1g。钢棒试验设备有10mm钢棒反复弯曲试验机，180°钢棒全自动弯曲试验机，300kN钢棒应力松弛试验机，1000kN钢棒拉力试验机，300J钢棒冲击试验机、全自动钢棒称重测长仪。
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山东省计量测试学会力值硬度计量专业委员会委员 济南恒瑞金试验机有限公司
（试验机服务中心）（试验机配件供应中心）（特殊夹具定制中心）
Jinan HengRuiJin Testing Machine Co., Ltd. Shandong P.R.C； |